Kniepsand Sandbank, Amrum

The Kniepsand, formerly Knipsand, is an extremely slowly moving sandbank in the North Sea. It lies west of the Schleswig-Holstein island of Amrum and occupies an area of around 10 km². The Föhr-Amrum office states the area of Amrum with and without Kniepsand.
Source: Wikipedia

The North Sea island of Amrum is not at the end of the world, but in one of the most beautiful corners of Germany. With the island west of Kniepsand Amrum has one of the widest sandy beaches in northern Europe. In addition to sand in all its facets, the approximately 1.5-kilometer-wide and approximately twelve-kilometer-long beach offers its visitors terrific sunsets almost every season. The Kniepsand geologically does not belong to Amrum. It is actually a huge sandbank that slowly wanders north from the island. So, if you take it very close and you really want to see the sun sinking from Amrum into the North Sea, you should head out of the beach into the unique dune landscape. Since the dunes are largely nature reserve, it is advisable to stay on the planks and the designated areas.

The crossing by ferry from Dagebüll or from Nordstrand (port Strucklahnungshörn) in Schleswig-Holstein to Amrum takes one and a half to two hours. Although driving on Amrum is allowed in principle, the best means of transportation on the only 10 km long and 2.5 km wide island is the bike. In addition, there is an island bus that connects all the places on Amrum regularly.